/*
Copyright 2019 - 2021 The Matrix.org Foundation C.I.C.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

import React, { createRef } from "react";
import { logger } from "matrix-js-sdk/src/logger";

import { _t } from "../../../../../languageHandler";
import AccessibleButton, { ButtonEvent } from "../../../elements/AccessibleButton";
import Notifier from "../../../../../Notifier";
import SettingsStore from "../../../../../settings/SettingsStore";
import { SettingLevel } from "../../../../../settings/SettingLevel";
import { RoomEchoChamber } from "../../../../../stores/local-echo/RoomEchoChamber";
import { EchoChamber } from "../../../../../stores/local-echo/EchoChamber";
import MatrixClientContext from "../../../../../contexts/MatrixClientContext";
import StyledRadioGroup from "../../../elements/StyledRadioGroup";
import { RoomNotifState } from "../../../../../RoomNotifs";
import defaultDispatcher from "../../../../../dispatcher/dispatcher";
import { Action } from "../../../../../dispatcher/actions";
import { UserTab } from "../../../dialogs/UserTab";
import { chromeFileInputFix } from "../../../../../utils/BrowserWorkarounds";
import SettingsTab from "../SettingsTab";
import { SettingsSection } from "../../shared/SettingsSection";
import SettingsSubsection from "../../shared/SettingsSubsection";

interface IProps {
    roomId: string;
    closeSettingsFn(): void;
}

interface IState {
    currentSound: string;
    uploadedFile: File | null;
}

export default class NotificationsSettingsTab extends React.Component<IProps, IState> {
    private readonly roomProps: RoomEchoChamber;
    private soundUpload = createRef<HTMLInputElement>();

    public static contextType = MatrixClientContext;
    public context!: React.ContextType<typeof MatrixClientContext>;

    public constructor(props: IProps, context: React.ContextType<typeof MatrixClientContext>) {
        super(props, context);

        this.roomProps = EchoChamber.forRoom(context.getRoom(this.props.roomId)!);

        let currentSound = "default";
        const soundData = Notifier.getSoundForRoom(this.props.roomId);
        if (soundData) {
            currentSound = soundData.name || soundData.url;
        }

        this.state = {
            currentSound,
            uploadedFile: null,
        };
    }

    private triggerUploader = async (e: ButtonEvent): Promise<void> => {
        e.stopPropagation();
        e.preventDefault();

        this.soundUpload.current?.click();
    };

    private onSoundUploadChanged = (e: React.ChangeEvent<HTMLInputElement>): void => {
        if (!e.target.files || !e.target.files.length) {
            this.setState({
                uploadedFile: null,
            });
            return;
        }

        const file = e.target.files[0];
        this.setState({
            uploadedFile: file,
        });
    };

    private onClickSaveSound = async (e: ButtonEvent): Promise<void> => {
        e.stopPropagation();
        e.preventDefault();

        try {
            await this.saveSound();
        } catch (ex) {
            logger.error(`Unable to save notification sound for ${this.props.roomId}`);
            logger.error(ex);
        }
    };

    private async saveSound(): Promise<void> {
        if (!this.state.uploadedFile) {
            return;
        }

        let type = this.state.uploadedFile.type;
        if (type === "video/ogg") {
            // XXX: I've observed browsers allowing users to pick a audio/ogg files,
            // and then calling it a video/ogg. This is a lame hack, but man browsers
            // suck at detecting mimetypes.
            type = "audio/ogg";
        }

        const { content_uri: url } = await this.context.uploadContent(this.state.uploadedFile, {
            type,
        });

        await SettingsStore.setValue("notificationSound", this.props.roomId, SettingLevel.ROOM_ACCOUNT, {
            name: this.state.uploadedFile.name,
            type: type,
            size: this.state.uploadedFile.size,
            url,
        });

        this.setState({
            uploadedFile: null,
            currentSound: this.state.uploadedFile.name,
        });
    }

    private clearSound = (e: ButtonEvent): void => {
        e.stopPropagation();
        e.preventDefault();
        SettingsStore.setValue("notificationSound", this.props.roomId, SettingLevel.ROOM_ACCOUNT, null);

        this.setState({
            currentSound: "default",
        });
    };

    private onRoomNotificationChange = (value: RoomNotifState): void => {
        this.roomProps.notificationVolume = value;
        this.forceUpdate();
    };

    private onOpenSettingsClick = (event: ButtonEvent): void => {
        // avoid selecting the radio button
        event.preventDefault();
        this.props.closeSettingsFn();
        defaultDispatcher.dispatch({
            action: Action.ViewUserSettings,
            initialTabId: UserTab.Notifications,
        });
    };

    public render(): React.ReactNode {
        let currentUploadedFile: JSX.Element | undefined;
        if (this.state.uploadedFile) {
            currentUploadedFile = (
                <div>
                    <span>
                        {_t("room_settings|notifications|uploaded_sound")}: <code>{this.state.uploadedFile.name}</code>
                    </span>
                </div>
            );
        }

        return (
            <SettingsTab>
                <SettingsSection heading={_t("notifications|enable_prompt_toast_title")}>
                    <div className="mx_NotificationSettingsTab_notificationsSection">
                        <StyledRadioGroup
                            name="roomNotificationSetting"
                            definitions={[
                                {
                                    value: RoomNotifState.AllMessages,
                                    className: "mx_NotificationSettingsTab_defaultEntry",
                                    label: (
                                        <>
                                            {_t("notifications|default")}
                                            <div className="mx_NotificationSettingsTab_microCopy">
                                                {_t(
                                                    "room_settings|notifications|settings_link",
                                                    {},
                                                    {
                                                        a: (sub) => (
                                                            <AccessibleButton
                                                                kind="link_inline"
                                                                onClick={this.onOpenSettingsClick}
                                                            >
                                                                {sub}
                                                            </AccessibleButton>
                                                        ),
                                                    },
                                                )}
                                            </div>
                                        </>
                                    ),
                                },
                                {
                                    value: RoomNotifState.AllMessagesLoud,
                                    className: "mx_NotificationSettingsTab_allMessagesEntry",
                                    label: (
                                        <>
                                            {_t("notifications|all_messages")}
                                            <div className="mx_NotificationSettingsTab_microCopy">
                                                {_t("notifications|all_messages_description")}
                                            </div>
                                        </>
                                    ),
                                },
                                {
                                    value: RoomNotifState.MentionsOnly,
                                    className: "mx_NotificationSettingsTab_mentionsKeywordsEntry",
                                    label: (
                                        <>
                                            {_t("notifications|mentions_and_keywords")}
                                            <div className="mx_NotificationSettingsTab_microCopy">
                                                {_t(
                                                    "notifications|mentions_and_keywords_description",
                                                    {},
                                                    {
                                                        a: (sub) => (
                                                            <AccessibleButton
                                                                kind="link_inline"
                                                                onClick={this.onOpenSettingsClick}
                                                            >
                                                                {sub}
                                                            </AccessibleButton>
                                                        ),
                                                    },
                                                )}
                                            </div>
                                        </>
                                    ),
                                },
                                {
                                    value: RoomNotifState.Mute,
                                    className: "mx_NotificationSettingsTab_noneEntry",
                                    label: (
                                        <>
                                            {_t("common|off")}
                                            <div className="mx_NotificationSettingsTab_microCopy">
                                                {_t("notifications|mute_description")}
                                            </div>
                                        </>
                                    ),
                                },
                            ]}
                            onChange={this.onRoomNotificationChange}
                            value={this.roomProps.notificationVolume}
                        />
                    </div>

                    <SettingsSubsection heading={_t("room_settings|notifications|sounds_section")}>
                        <div>
                            <div className="mx_SettingsTab_subsectionText">
                                <span>
                                    {_t("room_settings|notifications|notification_sound")}:{" "}
                                    <code>{this.state.currentSound}</code>
                                </span>
                            </div>
                            <AccessibleButton
                                className="mx_NotificationSound_resetSound"
                                disabled={this.state.currentSound == "default"}
                                onClick={this.clearSound}
                                kind="primary"
                            >
                                {_t("action|reset")}
                            </AccessibleButton>
                        </div>
                        <div>
                            <h4 className="mx_Heading_h4">{_t("room_settings|notifications|custom_sound_prompt")}</h4>
                            <div className="mx_SettingsFlag">
                                <form autoComplete="off" noValidate={true}>
                                    <input
                                        ref={this.soundUpload}
                                        className="mx_NotificationSound_soundUpload"
                                        type="file"
                                        onClick={chromeFileInputFix}
                                        onChange={this.onSoundUploadChanged}
                                        accept="audio/*"
                                        aria-label={_t("room_settings|notifications|upload_sound_label")}
                                    />
                                </form>

                                {currentUploadedFile}
                            </div>

                            <AccessibleButton
                                className="mx_NotificationSound_browse"
                                onClick={this.triggerUploader}
                                kind="primary"
                            >
                                {_t("room_settings|notifications|browse_button")}
                            </AccessibleButton>

                            <AccessibleButton
                                className="mx_NotificationSound_save"
                                disabled={this.state.uploadedFile == null}
                                onClick={this.onClickSaveSound}
                                kind="primary"
                            >
                                {_t("action|save")}
                            </AccessibleButton>
                            <br />
                        </div>
                    </SettingsSubsection>
                </SettingsSection>
            </SettingsTab>
        );
    }
}
